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Liquid Pumps LP500D HII AIRAIR DRIVENDRIVEN LIQUID PUMPS Hydraulics International, Inc. CONTENTS ■ ■ How the Pump Works, Advantages of the HII Pumps, Performance Curves ............................................................8, 9, 10, 11 How to Select Air Driven Pumps .........................................................2 ■ Compressibility of Water ...................................................................11 ■ Typical Applications .............................................................................3 ■ Standard Modifications .....................................................................12 ■ Model Selection Table ..........................................................................4 ■ HII Power Units .................................................................................13 ■ Type of Materials in Contact with Fluid, Liquid Compatibility ■ Other HII Quality Products .................................................................14 and Operating Temperature Limits .....................................................5 ■ Hydraulics International, Inc. - Overview .........................................15 ■ Dimensional Data, Port Details .......................................................6, 7 HOW THE PUMP WORKS Hydraulics International, Inc. (HII) air driven liquid pumps operate when compressed air is first applied to the drive. It will start on the principle of differential working areas. An air piston drives cycling at its maximum speed thus producing maximum fluid a smaller diameter plunger or piston to provide a pressure ratio. flow. At this stage, the pump is acting as a transfer pump, filling The pressure ratio is the method of determining maximum outlet the pressure system with fluid. As resistance increases in the pressure available. Hydraulics International model numbers system (creating backpressure to the pump), the pump will reflect the nominal pressure ratio of the pumps. decrease its reciprocating action. Backpressure in the system finally balances with the incoming air drive pressure times the Hydraulics International liquid pumps operate at a drive air ratio. At this point, the pump will stall and maintain pressure pressure of 12-150 psi (0.8-10 Bar) and will cycle automatically without consuming any energy. If there is further demand on the system for flow, the pump will automatically start cycling again. FIGURE 1. CROSS SECTION OF MODEL 5L-SS-RATIO ADVANTAGES OF THE HII PUMPS ■ Air Drive line lubrication not required. ■ Alternative gases that can drive the pump include nitrogen, vapor from liquefied gas, pipeline natural gas and sour ■ Self-priming for immediate operation. natural gas with proper modifications. ■ Compatible with all hydraulic fluids, plain water, distilled & ■ deionized water, solvents, mild chemicals and most Offer a wide range of standard modifications. liquefied aerosol type gases. ■ Contamination tolerant. ■ Stainless steel hydraulic body, check valves, and trim are ■ Outlet stall pressure pre-determined by the air drive standard, except -4 and -7 models. regulator. ■ Hydraulic pressure is held without energy consumption. ■ High pressure capability - up to 80,000 psi (5516 Bar). ■ Explosion proof ... requires no electrical power or ■ Ideal for stop-start applications under full load. connections. ■ Easy to install and operate. ■ Intrinsically safe. ■ ISO 9001: 2008 & AS9100-2009 Certified Quality System ■ Compact, lightweight and weatherproof. ■ Easy to adapt automatic controls. HOW TO SELECT AIR DRIVEN PUMPS There is a certain amount of information that has to be obtained from the customer in order to select an HII pump. PARAMETERS FOR SELECTING A LIQUID PUMP ■ Maximum discharge pressure, PSI (BAR) ■ Flow rate at pressure, CU-IN/MIN (L/M) ■ Drive air pressure available 12-150 PSI (0.8-10 BAR) ■ Drive air quantity, SCFM (NM3/MIN) ■ Type of fluid (water, oil, other) HII ■ Working temperature, ºF (ºC) got pressure? ■ Application ■ Operation - continuous or intermittent HYDRAULICS INTERNATIONAL, INC. (818) 407-3400 2 (818) 407 - 3400 TYPICAL APPLICATIONS ■ HYDROSTATIC TESTING: Any component that is made to hold liquid or gas pressure needs to be carefully tested after manufacture or repair to verify its integrity, and/or to calibrate it. H.I.I. air driven pumps can simplify this requirement in a broad range of industries. ■ CLAMPING-PRESSING-RELEASING: Hydraulic cylinders or rams that are required to maintain an output force without movement for long periods need a hydraulic pump that can maintain output pressure at zero flow for a long periods with no heat being generated. H.I.I. air driven pumps will do this over virtually any pressure range. ■ VALVE ACTUATION: Pipeline gas is commonly used for bootstrap operation of pneumatic valve actuators. But where high force requirements meet low gas pressures, the size of the pneumatic actuator needed may be impractical. A gas driven H.I.I. pump with a small hydraulic actuator can often solve this at less cost. ■ PORTABLE HYDRAULIC TOOLS: To be easily handled on the job, these tools must be compact with minimum weight. This means hydraulic pressures beyond the reach of rotary hydraulic pumps ... but easily provided by H.I.I. air driven hydraulic pumps. For portability of the pump-tank package, the oil supply need be little more than the displacement of the tool it is teamed with because overheating can not occur. Compact HII pump & tank unit with optional hand pump kit if air or gas not available QUICK REFERENCE INTERNATIONAL EQUIVALENTS PRESSURE: 1 BAR = 14.5 PSI = 100 Kpa = 1.02 Kg/cm2 1 Mpa = 10 BAR = 1000 Kpa VOLUME: 1 LITRE = 61 IN3 = .26 U.S. GALLON 1 NM3 = 35.3 SCF WEIGHT: 1 Kg = 2.2 LBS LENGTH: 1 IN = 25.4 mm HYDRAULICS INTERNATIONAL, INC. (818) 407-3400 (818) 407 - 3400 3 MODEL SELECTION TABLE Maximum Volume Displacement 6 Item Model with 2 Liquid Port Detail # Ratio Dash Outlet Pressure Per Cycle Number1 PSI BAR CU. IN. M.L Inlet Outlet 3” Single Acting, Single Air Drive 1 3L-SS-8 1,200 83 0.82 13.4 3/4” NPT 1/2” NPT 2 3L-SS-14 1,950 134 0.46 7.5 3/4” NPT 1/2” NPT 3 3L-SS-25 3,750 259 0.25 4.1 3/8” NPT 1/4” NPT 4 3L-SS-41 6,150 424 0.15 3.3 3/8” NPT 1/4” NPT WEIGHT: 7-9 LBS. 5 3L-SS-81 12,150 838 0.08 1.3 3/8” NPT 1/4” NPT 6 3L-SS-125 15,00012 1,034 0.05 0.8 3/8” NPT 1/4” NPT 7 3L-SS-220 15,00012 1,034 0.03 0.5 3/8” NPT 1/4” SP 4, 5 5-3/4” Single Acting, Single Air Drive 8 5L-SS-10 1,500 103 4.42 72.4 1” NPT 3/4” NPT 9 5L-SS-15 2,250 155 3.07 50.3 1” NPT 3/4” NPT 10 5L-SS-30 4,500 310 1.88 30.8 1/2” NPT 1/2” NPT 11 5L-SS-45 6,750 465 1.24 20.3 1/2” NPT 1/2” NPT 12 5L-SS-60 9,000 621 0.89 14.6 1/2” NPT 1/2” NPT WEIGHT: 24-27 LBS. 13 5L-SS-115 17,250 1,189 0.48 7.9 1/2” NPT 1/2” NPT 14 5L-SS-150 22,500 1,551 0.36 5.9 1/2” NPT 1/4” SP 4, 5 15 5L-SS-205 30,750 2,120 0.26 4.3 1/2” NPT 1/4” SP 4, 5 16 5L-SS-300 45,000 3,103 0.10 2.9 1/2” NPT 1/4” SP 4, 5 17 5L-SS-450 67,500 4,654 0.12 1.9 1/2” NPT 1/4” SP 4, 5 5-3/4” Single Acting, Double Air Drive 18 5L-SD-20 3,000 207 4.42 72.4 1” NPT 3/4” NPT 19 5L-SD-30 4,500 310 3.07 50.3 1” NPT 3/4” NPT WEIGHT: 29-32 LBS. 20 5L-SD-60 9,000 621 1.88 30.8 1/2” NPT 1/2” NPT 21 5L-SD-90 13,500 931 1.24 20.3 1/2” NPT 1/2” NPT 22 5L-SD-120 18,000 1,241 0.89 14.6 1/2” NPT 1/2” NPT 23 5L-SD-230 34,500 2,379 0.48 7.9 1/2” NPT 1/4” SP 4, 5 24 5L-SD-300 45,000 3,103 0.36 5.9 1/2” NPT 1/4” SP 4, 5 25 5L-SD-410 61,500 4,240 0.26 4.3 1/2” NPT 1/4” SP 4, 5 26 5L-SD-600 80,000 5,516 0.18 2.9 1/2” NPT 1/4” SP 4, 5 5-3/4” Single Acting, Triple Air Drive WEIGHT: 34 LBS. 27 5L-ST-900 80,000 5,516 0.18 2.9 1/2” NPT 1/4” SP 4, 5 5-3/4” Double Acting3, Single Air Drive 28 5L-DS-4 1,250 86 24.1 394.9 -10 SAE 6 -10 SAE 5 5-3/4” Double Acting3, Double Air Drive WEIGHT: 30 LBS. 29 5L-DD-20 3,000 207 8.84 144.9 1” FNPT 3/4” FNPT 30 5L-DD-30 4,500 310 6.14 100.6 1/2” FNPT 1/2” FNPT 31 5L-DD-60 9,000 621 3.76 61.6 1/2” FNPT 1/2” FNPT 32 5L-DD-90 13,500 931 2.48 40.6 1/2” FNPT 1/2” FNPT 33 5L-DD-120 18,000 1,241 1.78 23.2 1/2” FNPT 1/2” FNPT 34 5L-DD-230 34,500 2,379 0.96 15.7 1/2” FNPT 1/4” SP 35 5L-DD-300 45,000 3,103 0.72 11.8 1/2” FNPT 1/4” SP WEIGHT: 35 LBS. 36 5L-DD-410 61,500 4,240 0.52 8.5 1/2” FNPT 1/4” SP 37 5L-DD-600 80,500 5,516 0.36 5.9 1/2” FNPT 1/4” SP 7” Double Acting3, Single Air Drive 6 5 38 7L-DS-7 1,250 86 41.4 678.4 -10 SAE -10 SAE 39 7L-DS-35 5,250 362 7.8 127.8 1-1/4” NPT 1/2” NPT 40 7L-DS-60 9,000 621 4.7 77.0 1-1/4” NPT 1/2” NPT WEIGHT: 45-50 LBS.
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